AI agents use unarchive_gist to create or update resources in GistPad MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GistPad MCP environment.
This tool creates or modifies data in a reversible manner. Unarchiving restores visibility/access to a gist without creating or deleting content, and the action can be undone by re-archiving. This is consistent with Write category tools that perform reversible state modifications. Severity is low because the impact is limited to metadata state change with no data loss or side effects on external systems.
From the tool's definition Tool name 'unarchive_gist' and description 'Unarchive a gist' indicate the tool modifies the archive status of a gist by reversing a prior archival action.
Documented attack patterns abuse exactly the kind of access unarchive_gist gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and GistPad MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for unarchive_gist:
{
"version": "1",
"default": "deny",
"tools": {
"unarchive_gist": {
"limits": [
{
"counter": "unarchive_gist_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}unarchive_gist stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Unarchive a gist. It is categorised as a Write tool in the GistPad MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the GistPad MCP server in PolicyLayer and add a rule for unarchive_gist: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GistPad MCP. Nothing to install.
unarchive_gist is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the unarchive_gist rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for unarchive_gist. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
unarchive_gist is provided by the GistPad MCP server (lostintangent/gistpad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from GistPad MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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23 GistPad MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.